from BeautifulSoup import BeautifulSoup
import urllib2
import re

# Trains from Tapanila to Helsinki
url = 'http://www.omatlahdot.fi/omatlahdot/web?routes=3001I+2&routes=3001N'+ \
      '+2&routes=3001T+2&stop=1392501&command=departures'
page = urllib2.urlopen(url).read()
soup = BeautifulSoup(page)

trains = soup.findAll(attrs={'class': re.compile("^departures_row_")})
for train in trains:
    print ' '.join(c.string for c in train.findAll('td')[:-1])

# Output
# 13:24 e N Helsinki
# 13:44 e N Helsinki
# 14:04 e N Helsinki
# 14:24 e N Helsinki
# 14:44 e N Helsinki
# 15:04 e N Helsinki
# 15:24 e N Helsinki
# 15:44 e N Helsinki
# 16:04 e N Helsinki
# 16:24 e N Helsinki